Home / 187,282.35-258,420.65-106,713.27

Finding the Fourth Proportional to 187,282.35, 258,420.65 and 106,713.27

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Solution

The fourth proportional to 187,282.35, 258,420.65 and 106,713.27 is: 147,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.35 : 258,420.65 = 106,713.27 : x
  2. Step 2: Convert to fraction form
    187,282.35/258,420.65 = 106,713.27/x
  3. Step 3: Cross multiply
    187,282.35x = 258,420.65 × 106,713.27
  4. Step 4: Simplify right side
    187,282.35x = 27,576,912,063.46
  5. Step 5: Solve for x
    x = 27,576,912,063.46/187,282.35
  6. Step 6: Final answer
    x = 147,247.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.